Design, develop, and maintain scalable backend services for payment processing, pricing, refunds and promotions.
Optimize payment success rates by improving retry mechanisms, fraud detection, and error handling
Develop and implement features to support promotions, subscriptions, and order finalization workflows
Work on multi-currency support and international payment processing
Define and uphold engineering best practices in security, scalability, performance, and code quality
Improve the maturity of our technical stack through engineering best practices and process automation
Monitor and enhance system performance
Participate in code reviews, mentorship, and technical decision-making
Collaborate with cross-functional teams including finance, legal, and security to ensure compliance and fraud prevention

5+ years of experience in backend development, with expertise in Kotlin, Java, and SQL databases (PostgreSQL or MySQL)
Strong knowledge of payment processing systems and experience integrating with third-party payment providers like Stripe, PayPal
Experience designing and building scalable cloud-based architectures and distributed systems
Expertise in service-oriented architectures, API design, and microservices development
Strong knowledge of database design, implementation, and query optimization
Experience with system performance monitoring, logging, and observability
Ability to write clean, maintainable, and testable code
Advanced level of English with strong communication skills, both verbal and written
Strong AI-first mindset with a track record of proactively identifying workflows or product areas that can be enhanced through AI-driven solutions.

💸 Get paid in USD
🗺 Work remotely: design the life that you want
⛱ Enjoy 15 days of vacation each year from the start date
🎄 16 fully paid Argentinean holidays
🗓️ 5
year Sabbatical: After 5 years with CookUnity, you get a 4-week paid sabbatical
🐣 Family leave of 12 weeks for primary caregiver and 6 weeks for secondary caregiver, fully paid
🕯 Compassionate Leave: 3-5 days each time the need arises
🧘🏽‍♀️ Customize the benefits that suit your needs! Access a range of perks tailored to you, including learning opportunities, wellness memberships, delivery apps, and more through our comprehensive benefit platform
🧑‍🏫 Personalized English coach

Senior Backend Engineer, Revenue Engine – Pricing

Key skills